Koji Hayama is a self-taught game composer and independent artist that, after a turbulent introduction to the industry, became widely known for his score to 1993's Cho Aniki. After composing a hilarious original album and vocal single dedicated to the game, he entertained audiences with an energetic live show and appearances at the Game Music Festival series.

There isn't much info to be found of Motohiro Kawashima (川島基宏). He has created tracks to the following games: - Batman Returns (1992)
- Shinobi II: The Silent Fury (1992)
- Streets of Rage 2 (1993)
- Streets of Rage 3 (1994)